how do i install the java software so that i can work on java programs on my desktop.

a friend of mine said i should install jdk and work on command prompt but i havent understood his instruction.i have installed jdk on my system and i use a windows xp.help me out on how to install the java software so i can work on java programs

Edited at 10:05 Sun 7/10/07 (BST)

I found this website very helpful for the few times i have had to dabble in java :

http://www.apl.jhu.edu/~hall/java/beginner/settingup.html


(put the link straight to the beginner section )